Also what can an closed system can...
A. exchange mass only
B. exchange energy only
C. exchange mass and energy
D. Exchange neither mass nor energy

A900 kg roller coaster car is travelling westward on the track and begins to slow down from 18m/s to 2m/s. how long does it take the roller coaster car to decelerate if the force acting on the car to slow it is 7024n? how far does the roller coaster travel during this time?

Which one of the following research methods can show cause and effect

An object in mechanical equilibrium is an object